import './index.less'
import React, { Component } from 'react'
import { Button } from 'antd';
import { connect } from 'react-redux'
import {
    createIncrementAction,
    createDecrementAction,
    createIncrementAsyncAction
}
from '../../redux/count_action'

class Count extends Component {

    constructor(props) {
        super(props);
        this.state = {
            num: 1,
        }
    }

    increment = () => {
        const { value } = this.selectNumber
        this.props.jia(value * 1)

    }
    decrement = () => {
        const { value } = this.selectNumber
        this.props.jian(value * 1)
    }
    incrementIfOdd = () => {
        const { value } = this.selectNumber
        if (this.props.count % 2 != 0) {
            this.props.jia(value * 1)
        }
    }
    incrementAsync = () => {
        const { value } = this.selectNumber
        this.props.jiaAsync(value * 1, 500)
    }


    render() {
        return (
            <div>
                <h1>当前和为：{this.props.count}</h1>
                <select ref={c => this.selectNumber = c}>
                    <option value="1">1</option>
                    <option value="2">2</option>
                    <option value="3">3</option>
                </select>&nbsp;
                <Button type="primary" onClick={this.increment}>+</Button>&nbsp;
                <Button type="primary" onClick={this.decrement}>-</Button>&nbsp;
                <Button type="primary" onClick={this.incrementIfOdd}>和为奇数再加</Button>&nbsp;
                <Button type="primary" onClick={this.incrementAsync}>异步加</Button>&nbsp;
            </div>
        )
    }
}


export default connect(
    state => ({ count: state }),
    {
        jia: createIncrementAction,
        jian: createDecrementAction,
        jiaAsync: createIncrementAsyncAction
    }
)(Count);
